UFC on Versus 4: Kongo vs. Barry was a mixed martial arts event held by the Ultimate Fighting Championship on June 26, 2011, at Consol Energy Center in Pittsburgh, Pennsylvania.
WEC 52: Faber vs. Mizugaki was a mixed martial arts event held by World Extreme Cagefighting on November 11, 2010 at The Pearl at The Palms in Las Vegas, Nevada.
